Haskell

Haskell is a general-purpose, statically typed, purely functional programming language with type inference and lazy evaluation. Designed for teaching, research, and industrial applications, Haskell pioneered several programming language features such as type classes, which enable type-safe operator overloading, and monadic input/output (IO). It is named after logician Haskell Curry. Haskell's main implementation is the Glasgow Haskell Compiler (GHC). Wikipedia

Created Year: 1990
Designed by: Lennart AugustssonJohn LaunchburyWarren BurtonKevin HammondPhilip WadlerJohn HughesThomas JohnssonErik MeijerAlastair ReidPaul HudakSimon Peyton Jones
Developed by: John LaunchburyWarren BurtonJohn HughesThomas JohnssonErik MeijerAlastair Reid
Operating systems: Microsoft WindowsUnix-like operating system
Named after: Haskell Curry
Aliases: Haskell programming language, hs
File extensions: hs, lhs

Wikidata: Q34010

Influenced: AgdaAldorA♯BallerinaChaosCoffeeScriptCurryC#ElmFregeF#HackIdrisLiveScriptMercuryPurePureScriptPythonQiRakuRocRustScalaSwiftUr/Web

Influenced by: CleanLazy MLLispMirandaMLOrwell

Programming paradigms: functional programmingpurely functional programming

Language types: purely functional programming languagemodular programming languagecompiled languageinterpreted languagenon-strict programming languageoff-side rule language

Haskell Influence Network

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Hello World in Haskell

module Main where

main = putStrLn "Hello World"

Free Haskell books, articles, documentation

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Latest data update: 2025-06-21